diff --git a/.github/workflows/auto-format.yml b/.github/workflows/auto-format.yml
index 5ac954a..b35e353 100644
--- a/.github/workflows/auto-format.yml
+++ b/.github/workflows/auto-format.yml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           ref: ${{ github.head_ref }}
diff --git a/.github/workflows/pr.yml b/.github/workflows/pr.yml
index b76e17e..d11f19c 100644
--- a/.github/workflows/pr.yml
+++ b/.github/workflows/pr.yml
@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup Node.js
         uses: actions/setup-node@v5
@@ -41,7 +41,7 @@ jobs:
     if: github.event.pull_request.head.repo.full_name == github.repository
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Dependency Review
         uses: actions/dependency-review-action@v4
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 1e6013e..ef78624 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -20,7 +20,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup Node.js
         uses: actions/setup-node@v5
@@ -52,7 +52,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Extract version
         id: extract_version
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index b1e3fd5..ec38fc7 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup Node.js
         uses: actions/setup-node@v5
@@ -56,7 +56,7 @@ jobs:
 
     steps:
       - name: Checkout code
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Setup Node.js
         uses: actions/setup-node@v5
diff --git a/bun.lock b/bun.lock
index 57d2c1a..a846bb2 100644
--- a/bun.lock
+++ b/bun.lock
@@ -1,5 +1,6 @@
 {
   "lockfileVersion": 1,
+  "configVersion": 0,
   "workspaces": {
     "": {
       "name": "kengo",